CN102731987B - Oil-resistant aging-resistant chlorhydrin rubber and polyacrylate rubber mixed rubber sealing ring - Google Patents
Oil-resistant aging-resistant chlorhydrin rubber and polyacrylate rubber mixed rubber sealing ring Download PDFInfo
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- CN102731987B CN102731987B CN 201210173205 CN201210173205A CN102731987B CN 102731987 B CN102731987 B CN 102731987B CN 201210173205 CN201210173205 CN 201210173205 CN 201210173205 A CN201210173205 A CN 201210173205A CN 102731987 B CN102731987 B CN 102731987B
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Abstract
The invention discloses an oil-resistant aging-resistant chlorhydrin rubber and polyacrylate rubber mixed rubber sealing ring which is prepared by carrying out banburying, open refining and secondary vulcanization on the raw materials of chlorhydrin rubber, polyacrylate rubber, shellac, and the like. The sealing ring provided in the invention has the advantages of oil resistance, aging resistance, excellent high temperature resistance and low temperature resistance, high tensile strength and a simple preparation method.
Description
Technical field
The present invention relates to the sealing ring material field, exactly is the anti-ageing chlorohydrin rubber of a kind of oil resistant and polyacrylic rubber rubber unvulcanizate sealing-ring.
Background technology
The synthetic rubber that chlorohydrin rubber is made by epoxy chloropropane ring-opening polymerization or epoxy chloropropane and oxyethane ring opening copolymer.The former is called homopolymerization type chlorohydrin rubber, and the latter is called the copoly type chlorohydrin rubber.Chlorohydrin rubber is a kind of oil resistant, heat-resisting and specialty elastomer that ventilation property is very low.The oil-proofness of homopolymerization type chlorohydrin rubber, especially anti-halogenated alkane performance surpasses paracril; Thermotolerance between paracril and acrylic elastomer, heat-resisting 150 ℃ of short-term, long-term heat-resisting 100 ℃; Ventilation property is lower than isoprene-isobutylene rubber.Though the cold flexibility of copoly type chlorohydrin rubber is improved, resistance to air loss descends.Homopolymerization type chlorohydrin rubber is mainly used in making various oil-resistant sealing elements, barrier film, tackiness agent and freon resistant sebific duct; The copoly type chlorohydrin rubber is used for parts, cable jacket, various mechanical sealing member and the oil resisting rubber goods etc. of cold district oil fuel oil bag, automobile runs oil system.
Polyacrylic rubber also claims acrylic elastomer, belongs to the high-temperature oil resistance specialty elastomer, refers to the homopolymer of acrylate, or with alkyl acrylate monomer and the elastocopolymer that has on a small quantity the crosslinking activity group monomer.White plates or granular solids.Relative density 1.2-1.3, mooney viscosity (ML1001+4) 25-60, second-order transition temperature approximately-35 ℃, embrittlement humidity-60～-15 ℃.The polyacrylic rubber main chain is saturated structures, makes it have good scale resistance and ozone resistance, and contained polarity ester group makes again its swelling property of anti-the hydrocarbon-type oil outstanding, and use temperature is 175-200 ℃, is better than butyronitrile rubber.Winter hardiness and the water tolerance of polyacrylic rubber are relatively poor.
Summary of the invention
Purpose of the present invention provides the anti-ageing chlorohydrin rubber of a kind of oil resistant and polyacrylic rubber rubber unvulcanizate sealing-ring.
Above-mentioned purpose realizes by following scheme:
The chlorohydrin rubber that a kind of oil resistant is anti-ageing and polyacrylic rubber rubber unvulcanizate sealing-ring is characterized in that:
It is to be made by the raw material of following weight parts:
Chlorohydrin rubber 60-65, polyacrylic rubber 30-35, shellac 10-15, SULPHUR POWDER 1.5-2.5, high abrasion carbon black 4-6, diatomite 2-5, china clay 2-4, light calcium carbonate 30-35, clorafin 35-45, epoxy linseed oil 10-15, microcrystalline wax 1-2, epoxy soybean oil 1-4, carnauba wax 2-3, magnesium oxide 5-7, stearic acid 0.8-1.2, cashew nut shell oil 2-3, zinc borate 8-12, high density polyethylene(HDPE) 8-12, adipic acid ester 4-8, machine oil 7-9, captax 0.8-1.2, altax 0.5-1, Vulcanization accelerator TMTD 0.3-0.7, anti-aging agent RD 0.8-1.2, antioxidant NBC 0.1-0.2.
The chlorohydrin rubber that described a kind of oil resistant is anti-ageing and polyacrylic rubber rubber unvulcanizate sealing-ring is characterized in that: its through banburying, open the refining and post cure technique after the preparation and get.
The chlorohydrin rubber that described a kind of oil resistant is anti-ageing and polyacrylic rubber rubber unvulcanizate sealing-ring, it is characterized in that: during preparation, first by the Banbury mixer synthetic rubber, after again synthetic rubber being opened the type of being smelt by mill, after passing through post cure again, with the rubber seal deburring of post cure, and get final product.
Beneficial effect of the present invention is:
Oil resistant of the present invention is anti-ageing, high temperature resistant low temperature performance excellent, and tensile strength is high, and the preparation method is simple.
Embodiment
The chlorohydrin rubber that a kind of oil resistant is anti-ageing and polyacrylic rubber rubber unvulcanizate sealing-ring, it is to be made by the raw material of following weight parts:
Chlorohydrin rubber 60, polyacrylic rubber 30, shellac 10, SULPHUR POWDER 1.5, high abrasion carbon black 4, diatomite 4, china clay 3, light calcium carbonate 30, clorafin 35, epoxy linseed oil 10, microcrystalline wax 1, epoxy soybean oil 3, carnauba wax 3, magnesium oxide 6, stearic acid 1, cashew nut shell oil 3, zinc borate 10, high density polyethylene(HDPE) 10, adipic acid ester 7, machine oil 9, captax 1, altax 1, Vulcanization accelerator TMTD 0.5, anti-aging agent RD 1, antioxidant NBC 0.1.
During preparation, first by the Banbury mixer synthetic rubber, again synthetic rubber is opened the type of being smelt by mill after, pass through post cure again after, with the rubber seal deburring of post cure, and get final product.
Oil resistant test: slushing oil/bearing by coating after, 60 ° of C, placed 720 hours, before and after the test below changes in hardness 10 degree;
Aging resistance: 100 ° of C*94h heat ageing tests, below changes in hardness+HS6 °.
The present embodiment tensile strength is 14.9Mpa, and wear resisting property is excellent simultaneously,
The present embodiment in 60 ° of C thermostatic baths, was placed 720 hours, below changes in hardness 8 is spent before and after the test; The cold-hot shock test: the present embodiment is made sealing-ring and place under-20 ° of C and the 100 ° of C conditions each 1 hour, and in 200 cycles, its changes in hardness is below 10 degree.
High temperature resistant test: 125 ° of C*164h, outward appearance without distortion, contraction, crackle, be clamminess and separate out phenomenon.
Claims (3)
1. chlorohydrin rubber and polyacrylic rubber rubber unvulcanizate sealing-ring that oil resistant is anti-ageing is characterized in that:
It is to be made by the raw material of following weight parts:
Chlorohydrin rubber 60-65, polyacrylic rubber 30-35, shellac 10-15, SULPHUR POWDER 1.5-2.5, high abrasion carbon black 4-6, diatomite 2-5, china clay 2-4, light calcium carbonate 30-35, clorafin 35-45, epoxy linseed oil 10-15, microcrystalline wax 1-2, epoxy soybean oil 1-4, carnauba wax 2-3, magnesium oxide 5-7, stearic acid 0.8-1.2, cashew nut shell oil 2-3, zinc borate 8-12, high density polyethylene(HDPE) 8-12, adipic acid ester 4-8, machine oil 7-9, captax 0.8-1.2, altax 0.5-1, Vulcanization accelerator TMTD 0.3-0.7, anti-aging agent RD 0.8-1.2, antioxidant NBC 0.1-0.2.
2. anti-ageing chlorohydrin rubber and the polyacrylic rubber rubber unvulcanizate sealing-ring of a kind of oil resistant according to claim 1 is characterized in that: its through banburying, open preparation after refining and the post cure technique and get.
3. anti-ageing chlorohydrin rubber and the polyacrylic rubber rubber unvulcanizate sealing-ring of a kind of oil resistant according to claim 1, it is characterized in that: during preparation, first by the Banbury mixer synthetic rubber, after again synthetic rubber being opened the type of being smelt by mill, after passing through post cure again, with the rubber seal deburring of post cure, and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210173205 CN102731987B (en) | 2012-05-30 | 2012-05-30 | Oil-resistant aging-resistant chlorhydrin rubber and polyacrylate rubber mixed rubber sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210173205 CN102731987B (en) | 2012-05-30 | 2012-05-30 | Oil-resistant aging-resistant chlorhydrin rubber and polyacrylate rubber mixed rubber sealing ring |
Publications (2)
| Publication Number | Publication Date |
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| CN102731987A CN102731987A (en) | 2012-10-17 |
| CN102731987B true CN102731987B (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201210173205 Expired - Fee Related CN102731987B (en) | 2012-05-30 | 2012-05-30 | Oil-resistant aging-resistant chlorhydrin rubber and polyacrylate rubber mixed rubber sealing ring |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102942722B (en) * | 2012-10-11 | 2015-04-01 | 安徽普源分离机械制造有限公司 | Colloid sealing ring on piston for horizontal piston pushing material centrifuge |
| CN102993682B (en) * | 2012-11-01 | 2015-04-29 | 安徽荣达阀门有限公司 | High-property epichlorohydrin rubber gasket and preparation method thereof |
| CN102977582B (en) * | 2012-11-02 | 2015-12-09 | 铜陵市明诚铸造有限责任公司 | Chlorohydrin rubber gasket of a kind of nano diatomite modification and preparation method thereof |
| CN103013008B (en) * | 2012-11-25 | 2015-10-21 | 马鞍山市中澜橡塑制品有限公司 | A kind of cylinder seal pad sizing material and preparation method thereof |
| CN103013012B (en) * | 2012-11-25 | 2015-10-21 | 马鞍山市中澜橡塑制品有限公司 | A kind of auto pump caulking gum and preparation method thereof |
| CN103044832A (en) * | 2012-11-25 | 2013-04-17 | 马鞍山市中澜橡塑制品有限公司 | Car plum-shaped cushion adhesive and preparation method thereof |
| CN103044830B (en) * | 2012-11-25 | 2015-04-01 | 马鞍山市中澜橡塑制品有限公司 | Sealing rubber for butterfly valve and preparation method thereof |
| US20160280972A1 (en) | 2013-03-25 | 2016-09-29 | 3M Innovative Properties Company | Acrylate rubber sealing material |
| CN103497499A (en) * | 2013-09-24 | 2014-01-08 | 安徽锐视光电技术有限公司 | Nano-pottery clay-containing rubber seal ring material and preparation method thereof |
| CN103897233B (en) * | 2014-04-01 | 2015-11-04 | 安徽金科橡塑制品有限公司 | A kind of fire-resistant rubber sealing-ring and preparation method thereof |
| CN112375320B (en) * | 2020-11-03 | 2022-02-11 | 安徽绿环泵业有限公司 | Preparation method of wear-resistant and corrosion-resistant valve rubber material of slurry pump |
| CN114702813B (en) * | 2022-03-30 | 2023-12-26 | 宁波宁港线缆制造有限公司 | Oil-resistant and solvent-resistant rubber composite material, preparation method thereof and application thereof in cables |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19800489A1 (en) * | 1998-01-09 | 1999-07-15 | Thomas Prof Dr Mang | Polysaccharide-containing sealing composition |
| WO2007070728A2 (en) * | 2005-10-27 | 2007-06-21 | The Yokohama Rubber Co., Ltd | Construction comprising tie layer |
| CN101307178A (en) * | 2007-05-18 | 2008-11-19 | 上海道氟化工科技有限公司 | Epichlorohydrin rubber composition sulfidization molding products thereof |
| CN101728064B (en) * | 2009-12-21 | 2011-07-20 | 西安向阳航天材料股份有限公司 | Compound sealing strip for oil tank of transformer and manufacture method thereof |
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